13147392 has 144 divisors (see below), whose sum is σ = 39735360. Its totient is φ = 3833856.

The previous prime is 13147369. The next prime is 13147397. The reversal of 13147392 is 29374131.

Its product of digits (4536) is a multiple of the sum of its prime factors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248038 + ... + 248090.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

Almost surely, 2^13147392 is an apocalyptic number.

13147392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13147392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19867680).

13147392 is an abundant number, since it is smaller than the sum of its proper divisors (26587968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13147392 is a wasteful number, since it uses less digits than its factorization.

13147392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 94 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 13147392 is about 3625.9332591762. The cubic root of 13147392 is about 236.0187670607.

The spelling of 13147392 in words is "thirteen million, one hundred forty-seven thousand, three hundred ninety-two".